You are trying to help a customer fix a lighting issue. Which of the following should you do before starting the troubleshooting activities?
  1. Disconnect all AC controls
  2. Debrief the customer
  3. Retest the system
  4. Apply all manufacturer upgrades
Explanation
Answer - B - You should debrief the customer before starting the troubleshooting activities.

Key Takeaway: You need to first check with the customer about the general performance and any planned repairs or upgrades. This should be done especially if a considerable amount of time has passed since the last maintenance or repair activity.
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